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ファインバブル技術は、多くの産業に潜在的な応用をもたらすエキサイティングな革新的技術です。

In ニュースレター by Erik van Berkum 投稿: 月曜日, 7 11月 2016

Ultra-fine bubbles are often called nano-bubbles in reality the nano-bubble doesn't meet the definition of a nano-particle so they are officially called ultra-fine bubbles. Bubbles are gas-filled cavities in water, the lifetime of a bubble is short at most a few minutes, only ultra-fine bubbles are stable for longer periods like months, that is making them very special and that enables us to change the properties of water. This opens-up innovation for agriculture, food processing, cleaning and medical applications. Bubbles are all around us, in our foods, beer, pop drinks bread and cheese, but also in the bricks of our house. The ocean is the biggest bubble generator in the world, when you smell the ocean, you smell the exploded bubbles and when walking on the beach the exploded bubbles make your hair sticky and give your sun glasses a fatty layer. On borders, new things are possible, this is the region where you go from one side to the other, this is especially true for bubbles where you go from a gas to a liquid phase, this is were all the magic in water happens.

In the world of bubbles, we distinguish various sizes, the biggest are milli-bubbles then followed by micro-bubbles and the smallest we call ultra-fine bubbles. Bubbles consists of three main components a gas, a liquid and a shell an aqueous phase between the gas and liquid. The formation of the bubbles and the mechanical properties of micro-bubbles depend on the property of shell material. Ultra-fine bubbles are miniature gas bubbles in liquids mostly less than 200 nm in diameter and have several unique physical properties. A human hair has a diameter of around 180,000 nm which is a factor 900 bigger. Ultra-fine bubbles remain stable in water for a long time because of their negatively charged surface area, where milli bubbles increase in size, rise rapidly and burst at the water surface or the micro-bubbles dissolve in water before reaching the surface. Besides, the internal pressure of ultra-fine bubbles in liquids is higher than that of their environment, which accelerates dissolution of the gas into the liquids. This remarkable property to have, highly efficient gas solubility, we call super-saturation of oxygen gas in water. The nano size of bubbles has another benefit, by enlarging the gas contact surface in water, reactions with the environment are more likely to happen. In the medical industry reports show that high oxygen gas solubility of micro-bubbles is beneficial for oxygenation of hypoxic tissues. In cancer research, researchers experiment by giving the ultra-fine bubble a magnetic charge by doing so they are able use the ultrafine bubble as a drug delivery mechanisms by bringing the drug to the cancer cells via a magnet pulling it at the desired place.

The first areas were ultra-fine bubbles will have an impact are agriculture and cleaning applications. Ultra-fine bubbles are smaller than the wave length of light, by being so small the bubbles can reach into the deep pores of any material, since the bubbles are negatively charged like a detergent they can float the dirt into the water away from the object. The real benefit of washing might be in the cleaning of fruit and vegetables, these tender products we don`t want to treat with detergents but we like the possible pesticides and bacteria and fungi being removed from the salads. Ultra-fine bubbles can play a large role in this process.

In agriculture, ultra-fine bubbles show increased growth speeds and heavier crops. Plants needs 13 mineral nutrients from the soil and from the air and water it absorbs hydrogen oxygen and carbon to grow. Plants absorbs dissolved-oxygen via the roots from the water while carbon gets absorbed as CO2 via the leaves. In warmer climates were the water for plants is also warmer the water is often depleted from oxygen, when adding ultra-fine bubbles to the irrigation water oxygen deficiency is a thing of the past. In plant cultivation, a DO level of 8 mg/L we consider optimal, increased levels of up to 16 mg/L show slight growth benefits to the plants. When using ultra-fine bubbles, the growth benefits are larger than what can be explained by the DO levels only. The ultra-fine bubble is promoting additional plant growth.

A lot of research and applications development still needs to be done, but an exiting new industry is coming up, creating sustainable environmental friendly solutions to enhance the properties of water.

ultrafine bubbles | nano bubbles | 農業 | DO levels |

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The zeta-potential important stuff for nano-bubbles

The electrical properties of gas bubbles are important in determining the interaction of nano-bubbles if and when they merge together and how they interact with other materials such as solid particles or oil droplets. Knowledge about this helps application development in for example, protein skimmers, froth flotation, food processing, washing surfaces and purification.

ウルトラファインバブルと種子発芽への効果

Nano Bubbles are useful in accelerating the metabolism of living organisms, but the mechanism is not yet well understood. In a study, they investigated the production of reactive oxygen species (ROS) by Nano Bubbles and the effect on seed germination. The conclusion of the study was seeds in nano bubble water had a higher germination rate than all those submerged in the different other conventional used solutions.

プロジェクトレポート 池の水処理 UFBミキサー ナノバブル

A contaminated pond which was used for irrigation was treated for 40 days with nano bubbles. After treatment the algae contamination problems was solved. For the treatment the UFB mixer nano bubble generator was used, in combination with an connected oxygen concentrator.

デモンストレーション UFB水中ミキサー

The submersible UFB mixer is a, complete unit with the low-pressure mixing valve technique that effectively and efficiently saturates liquids with gases over 5 times the levels of conventional technologies. The unit moves 113 liters of water per minute and dissolves 4 liters of oxygen per minute creating a high DO content and ultrafine bubbles in the water.

酸素結合バブルによる医療用大麻生産の大幅な増加

Root systems require oxygen for aerobic respiration. Reduced levels of oxygen in the rootzone, slow down plant growth and increase susceptibility of diseases. Indoor grown plants in closed water systems have often a lack of oxygen and need additional oxygen supply. By delivering ultrafine bubble to the rootzone of the plant, you increase the levels of oxygen and the water get negatively electrically charged this promotes nutrient uptake and hair root growth. Read the whole article to see what experience cannabis growers have to say about the ultrafine bubble system.

研究室デモンストレーション ミニGaLF

The miniGaLF is ACNITI`s entry level GaLF model designed for companies, universities, research institutes and individuals that want to learn about Ultrafine bubble technology. In this blog a movie is shown of the connections and the performance to create ultrafine bubble (nano bubbles) with high DO water.

葉先焼けのない魅力的なレタスを栽培する

Manoa lettuce is a lettuce variety susceptible to tipburn. Tipburn is the drying and dying of leaf tissue along the edges of the leaf. During a test at a grower in Hawaii it was shown that by increasing the DO levels and adding ultrafine bubbles, reduction of tipburn is realized and quality and production improvements are made.

違いは何?ウルトラファインバブル?ナノバブル?

Interested to know why nanobubbles are officially called ultrafine bubbles? In this article we explain the reasons why the ISO technical committee has decided to use the official name ultrafine bubbles instead of nanobubbles.

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バブルブーストによる衣類洗浄

Washing of surfaces and laundry is one of the promising areas were ultrafine bubbles can make a difference in the application. Reducing the amount of detergent, has a positive effect by reducing pollution, washing laundry without detergent, would greatly benefit the environment. Ultrafine bubbles can lower the surface tension of water, the large amounts of oxygen molecules in bubbles charge the water negative.

オゾン気泡による水処理

Research into ozone ultrafine bubble technology for the treatment of captured produce wash water. The white paper shows that their are benefits in using the technology, by better disinfection and savings in ozone can be obtained.

セルフクリーニング インレットフィルタ 解説

Self-cleaning Filters prevent pumps from blocking and make aeration more efficient

セルフクリーニング インレットフィルタ 実演

Video: Rotorflush Self-cleaning inlet filter explained

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アイダ・アン・レイク

Lake Ida Anne has a growing problem with algae in spring and summer. A large number of nutrients are available in the lake, and this promotes algae growth. The city of Langford tested the ultrafine bubble mixer as Oxygenation System to combat the algae, with great success.

ファインバブルを利用した長距離鮮魚輸送

A new innovative way to transport fish while sleeping is almost ready to go onto the market. A combination of CO2 and ultrafine bubbles make this possible.

高性能カメラで見るウルトラファインバブル

Ultrafine bubbles movie, movie made with the Malvern NanoSight.

ミニGaLF プラス

The miniGALF is IDEC`s entry level GaLF model designed for first experiences with ultrafine bubble technology. The miniGaLF -Plus enables higher concentration of ultrafine bubbles by multi-passes of water through the miniGaLF.

ファインバブルの革新

Imagine your kitchen floor or bathroom tiles being cleaned by very tiny bubbles. Sounds great, a new technological era is dawning.

スマートな人は語る 気泡とウォーターイノベーション

Bubbles are all around us, in our foods, beer, pop drinks bread and cheese, but also in the bricks of our house. Bubbles are gas-filled cavities in water, the lifetime of a bubble is short at most a few minutes, only ultra-fine bubbles are stable for longer periods like months, that is making them very special and that enables us to change the properties of water.

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